Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois

Average Temperature Rankings, September 1925

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1925 1-Month	72.2°F (22.3°C)	66.2°F (19.0°C)	6.0°F (3.3°C)	128th Coolest	Coolest since: 1924	1918
	72.2°F (22.3°C)	66.2°F (19.0°C)	6.0°F (3.3°C)	1st Warmest	Warmest to Date	1925, 1933
	Ties: 1933
Aug–Sep 1925 2-Month	72.9°F (22.7°C)	69.8°F (21.0°C)	3.1°F (1.7°C)	122nd Coolest	Coolest since: 1924	1967
	72.9°F (22.7°C)	69.8°F (21.0°C)	3.1°F (1.7°C)	7th Warmest	Warmest since: 1900	1936
	Ties: 1983, 1998
Jul–Sep 1925 3-Month	73.6°F (23.1°C)	71.7°F (22.1°C)	1.9°F (1.0°C)	108th Coolest	Coolest since: 1924	1967
	73.6°F (23.1°C)	71.7°F (22.1°C)	1.9°F (1.0°C)	21st Warmest	Warmest since: 1921	1936
	Ties: 1916, 1938, 1947
Jun–Sep 1925 4-Month	73.7°F (23.2°C)	71.6°F (22.0°C)	2.1°F (1.2°C)	115th Coolest	Coolest since: 1924	1915, 1924
	73.7°F (23.2°C)	71.6°F (22.0°C)	2.1°F (1.2°C)	14th Warmest	Warmest since: 1921	1936
	Ties: 1913, 1953, 2018
May–Sep 1925 5-Month	70.7°F (21.5°C)	69.8°F (21.0°C)	0.9°F (0.5°C)	90th Coolest	Coolest since: 1924	1924
	70.7°F (21.5°C)	69.8°F (21.0°C)	0.9°F (0.5°C)	39th Warmest	Warmest since: 1922	1936
	Ties: 1986, 2011
Apr–Sep 1925 6-Month	68.5°F (20.3°C)	66.7°F (19.3°C)	1.8°F (1.0°C)	111th Coolest	Coolest since: 1924	1907
	68.5°F (20.3°C)	66.7°F (19.3°C)	1.8°F (1.0°C)	18th Warmest	Warmest since: 1921	2010
	Ties: 1930
Mar–Sep 1925 7-Month	64.8°F (18.2°C)	62.9°F (17.2°C)	1.9°F (1.0°C)	117th Coolest	Coolest since: 1924	1924
	64.8°F (18.2°C)	62.9°F (17.2°C)	1.9°F (1.0°C)	12th Warmest	Warmest since: 1921	2012
	Ties: 1998, 2021
Feb–Sep 1925 8-Month	61.0°F (16.1°C)	58.7°F (14.8°C)	2.3°F (1.3°C)	117th Coolest	Coolest since: 1924	1904
	61.0°F (16.1°C)	58.7°F (14.8°C)	2.3°F (1.3°C)	12th Warmest	Warmest since: 1921	2012
	Ties: 1930, 1977
Jan–Sep 1925 9-Month	56.9°F (13.8°C)	54.9°F (12.7°C)	2.0°F (1.1°C)	113th Coolest	Coolest since: 1924	1904, 1912
	56.9°F (13.8°C)	54.9°F (12.7°C)	2.0°F (1.1°C)	16th Warmest	Warmest since: 1921	2012
	Ties: 1953, 2000, 2007
Dec 1924–Sep 1925 10-Month	53.6°F (12.0°C)	52.4°F (11.3°C)	1.2°F (0.7°C)	95th Coolest	Coolest since: 1924	1904
	53.6°F (12.0°C)	52.4°F (11.3°C)	1.2°F (0.7°C)	33rd Warmest	Warmest since: 1922	2012
	Ties: 1914, 1930, 1952, 1995
Nov 1924–Sep 1925 11-Month	52.5°F (11.4°C)	51.3°F (10.7°C)	1.2°F (0.7°C)	95th Coolest	Coolest since: 1924	1904
	52.5°F (11.4°C)	51.3°F (10.7°C)	1.2°F (0.7°C)	33rd Warmest	Warmest since: 1922	2012
	Ties: 1941, 1976, 2004, 2018
Oct 1924–Sep 1925 12-Month	53.0°F (11.7°C)	51.6°F (10.9°C)	1.4°F (0.8°C)	105th Coolest	Coolest since: 1924	1904
	53.0°F (11.7°C)	51.6°F (10.9°C)	1.4°F (0.8°C)	23rd Warmest	Warmest since: 1921	2012
	Ties: 1931, 1941, 1953, 2021
Apr 1924–Sep 1925 18-Month	56.6°F (13.7°C)	56.6°F (13.7°C)	0.0°F (0.0°C)	53rd Coolest	Coolest since: 1924	1904, 1918
	56.6°F (13.7°C)	56.6°F (13.7°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 1923	2012
	Ties: 1930, 1943, 1966, 1971, 1973, 1985
Oct 1923–Sep 1925 24-Month	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	44th Coolest	Coolest since: 1924	1979
	51.4°F (10.8°C)	51.6°F (10.9°C)	-0.2°F (-0.1°C)	83rd Warmest	Warmest since: 1923	2017
	Ties: 1897, 1926, 1958, 2009
Oct 1922–Sep 1925 36-Month	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	50th Coolest	Coolest since: 1924	1979
	51.5°F (10.8°C)	51.6°F (10.9°C)	-0.1°F (-0.1°C)	76th Warmest	Warmest since: 1923	2018
	Ties: 1910, 1945, 1977, 1986
Oct 1921–Sep 1925 48-Month	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	66th Coolest	Coolest since: 1920	1905
	51.8°F (11.0°C)	51.6°F (10.9°C)	0.2°F (0.1°C)	59th Warmest	Warmest since: 1924	2019
	Ties: 1916, 1931, 1945, 1950, 1958, 1974
Oct 1920–Sep 1925 60-Month	52.5°F (11.4°C)	51.6°F (10.9°C)	0.9°F (0.5°C)	97th Coolest	Coolest since: 1924	1906
	52.5°F (11.4°C)	51.6°F (10.9°C)	0.9°F (0.5°C)	27th Warmest	Warmest since: 1923	2020
	Ties: 1942, 2000, 2014, 2017

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published February 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings